///\todo upgrade

//////////////////////////////////////////////////////////////////////////////////
//                                                                              //
//  This file is part of the buola project (https://code.google.com/p/buola/).  //
//                                                                              //
//  Copyright(c) 2007-2012 Xavi Gratal                                          //
//  gratal AT gmail DOT com                                                     //
//                                                                              //
//  Buola is free software: you can redistribute it and/or modify               //
//  it under the terms of the GNU General Public License as published by        //
//  the Free Software Foundation, either version 3 of the License, or           //
//  (at your option) any later version.                                         //
//                                                                              //
//  Buola is distributed in the hope that it will be useful,                    //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of              //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               //
//  GNU General Public License for more details.                                //
//                                                                              //
//  You should have received a copy of the GNU General Public License           //
//  along with buola.  If not, see <http://www.gnu.org/licenses/>.              //
//                                                                              //
//////////////////////////////////////////////////////////////////////////////////

#ifndef _BUOLA_IMAGE_MAT_MAT_IMAGE_H_
#define _BUOLA_IMAGE_MAT_MAT_IMAGE_H_

#include <buola/image/format.h>
#include <buola/mat.h>

namespace buola { namespace img {

template<typename tDerived>
CImage_gray8 mat_image(const mat::CExpr<tDerived> &pExpr,mat::detail::OScalar<tDerived> pMin,mat::detail::OScalar<tDerived> pMax)
{
    ///\todo create some function pExpr.Final() or something that gives the element accessible thing
    const auto &lE=mat::detail::element_accessible<mat::detail::ACCESS_ONCE>(pExpr.Derived());
    
    CImage_gray8 lImage(CSize_i(lE.Cols(),lE.Rows()));

    auto lMult=255.0/(pMax-pMin);
    
    for(int x=0;x<100;x++)
        for(int y=0;y<100;y++)
            lImage(x,y)=clamp((lE(x,y)-pMin)*lMult,0.0,255.0);
    
    return lImage;
}
    
/*namespace image*/ } /*namespace buola*/ }

#endif
